2x Stronger Voice Reduction: The ANC 3.0 technology and a purpose-built acoustic cavity target, dampen, and block human voices 2x more effectively. It lets you enjoy a quiet journey on trains and subways. Real-Time Adaptive Noise Cancellation: The Adaptive ANC 3.0 algorithm adjusts every 0.3 seconds to accommodate every subtle shift in your environment for optimal, seamless silence around the clock. Immersive Dolby Audio: With industry-leading Dolby Audio and custom modes for music, movies, and podcasts, Liberty 5 wireless earbuds put you in the front seat of any performance. Balanced, Detail-Rich Listening: Powered by wool paper diaphragms, bass-enhancing tubes, LDAC, and Hi-Res Audio, these noise-cancelling earbuds reproduce musical nuances, delivering rich, well-balanced treble and bass.